Articles with "operators almost" as a keyword



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Inverse-Closedness of Subalgebras of Integral Operators with Almost Periodic Kernels

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Published in 2018 at "Complex Analysis and Operator Theory"

DOI: 10.1007/s11785-019-00968-1

Abstract: The integral operator of the form $$\begin{aligned} \bigl (Nu\bigr )(x)=\sum _{k=1}^\infty e^{i\langle \omega _k,x\rangle } \int _{\mathbb {R}^c}n_k(x-y)\,u(y)\,dy \end{aligned}$$ ( N u ) ( x ) = ∑ k = 1 ∞ e i ⟨… read more here.

Keywords: inverse closedness; integral operators; subalgebras integral; closedness subalgebras ... See more keywords